K-3390AU-3 Polyester MDI TPU Raw Materials For High Transparent Mobile Cover
K-3390AU-3 for high transparent mobile cover
◆ Description
K-3390AU-3 is a polyester thermoplastic polyurethane elastomer with a hardness of Shore 92A. It is suitable for injection molding, extrusion and blending. Typical applications include: shoe material, mobile phone sheath, etc
◆ Technical data
| Item | Test method | Unit | Result |
| Hardness |
ASTM D2240 Shore A 92 ASTM D2240 Shore D 49 |
||
| Density | ASTM D792 | g/cm3 | 1.2 |
| 100% modulus | ASTM D412 | MPa | 10.0 |
| 300% modulus | ASTM D412 | MPa | 20.0 |
| Tensile strength | ASTM D412 | MPa | 38.0 |
| Tear strength | ASTM D624 | N/mm | 140.0 |
| Elongation at break | ASTM D412 | % | 500 |
| DIN abrasion loss | ASTM D1044 | mg | 40 |
| Process temp. | °C | 190～205 | |
Package
25Kg/bag
Process advisement (Dry the granules 3-4 hours at 80-90℃ before using)
◆ Dry condition
| Hardness Time Circulating air dryer Dehumidifying dryer | |||
|
Less than 90A Higher than 90A |
2～3 hours 2～3 hours |
100～110°C 100～120°C |
80～100°C 90～110°C |
◆ Storage
It must be stored in a dry and cool place to prevent moisture absorption and sun exposure. Safety data refer to MSDS
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